Kernel dropped packet analysis

Found a simple method to check for all the packets dropped by kernel.

First you need to install dropwatch with

dnf install dropwatch

and details of the package

Name        : dropwatch
Arch        : x86_64
Epoch       : 0
Version     : 1.4
Release     : 13.fc24
Size        : 27 k
Repo        : fedora
Summary     : Kernel dropped packet monitor
URL         : http://fedorahosted.org/dropwatch
License     : GPLv2+
Description : dropwatch is an utility to interface to the kernel to monitor for dropped
: network packets.

 

Once that is done, you will see the kernel address. How do you map those to kernel functions, refer Get kernel function name from kernel address.